/*
 *
 * Paros and its related class files.
 * 
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2004 Chinotec Technologies Company
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * Clarified Artistic License for more details.
 * 
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.parosproxy.paros.core.spider;

import java.util.Vector;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Hyperlink extends org.parosproxy.paros.core.spider.Tag {

	private static final Pattern patternURL = Pattern
			.compile("\\W(http://[^\\x00-\\x1f\"'\\s<>#]+)");

	private String href = "";

	/**
	 * Get an array of "http://" URLs.
	 * 
	 * @param doc
	 *            The html document to be parsed.
	 * @return array of "A"
	 */
	public static Hyperlink[] getHyperlinks(String doc) {

		Vector<Hyperlink> links = new Vector<Hyperlink>();
		Matcher matcher = patternURL.matcher(doc);
		while (matcher.find()) {
			try {
				String s = matcher.group(1);
				Hyperlink hlink = new Hyperlink();
				hlink.buildAttrs(s);
				links.addElement(hlink);
			} catch (Exception e) {
			}
		}

		Hyperlink[] result = new Hyperlink[links.size()];
		result = (Hyperlink[]) links.toArray(result);
		return result;
	}

	protected void buildAttrs(String href) {

		this.href = href;
	}

	/**
	 * @return Returns the href.
	 */
	public String getLink() {
		return href;
	}
}